The mall only cares about ROI, and providing a nice space for someone to sit and read a book, play hide and seek, host a club meeting, or stage a free play has little obvious monetary value.
Whatever amenities are provided will be carefully balanced against direct extra spending they bring in, instead of abstract civic improvement.
In dense urban areas, malls tend towards the high end and can be quite nice. The Shops at Copley Place in Boston is fairly high end in terms of shops and the architecture is nice. The Westfield in SF is nice in my recollection.
This has been discussed here before, and seems to be a bit of a blind spot for HN. Imagine you live in a place where there's only one "mall" nearby: that's most of America (geographically speaking).